Vang Vieng weather in August

In August, Vang Vieng sees average daytime highs of 28°C and overnight lows near 22°C, with 552 mm of rain across 30.4 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Vang Vieng's 10th-clearest and 11th-windiest month. For the whole year in context, see Vang Vieng's year-round climate.

Daytime high: 28°; 7th warmest
Overnight low: 22°; 10th coldest
Rainfall: 552 mm; 30.4 wet days
Daylight: 12 h 36 min; 5:55 AM – 6:34 PM
Cloud cover: 93%; 10th clearest
Wind: 3 km/h; 11th windiest
Solar energy: 3.68 kWh/m²
Travel score: 3.2; out of 10

Vang Vieng is town in Laos.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← July Vang Vieng year-round climate September →Best places to visit in August

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Vang Vieng reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22

	Avg high (°C)	Avg low (°C)
1	27	22
2	27	22
3	27	22
4	27	22
5	27	22
6	27	22
7	27	22
8	27	22
9	27	22
10	27	22
11	27	22
12	27	22
13	27	22
14	27	22
15	27	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	28	22
26	28	22
27	28	22
28	28	22
29	28	22
30	28	22
31	28	22

How August really feels in Vang Vieng

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Vang Vieng weather by month

How August compares with the rest of the year at a glance. August is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	25° / 14°	21	3.5	11	8.2
Feb	27° / 15°	18	3.2	11.4	7.8
Mar	29° / 18°	44	7.8	11.9	6.0
Apr	30° / 20°	92	15.2	12.4	4.4
May	29° / 22°	250	26.7	12.9	3.2
Jun	28° / 22°	394	29.2	13.1	3.0
Jul	28° / 22°	537	30.3	13	3.2
Aug	28° / 22°	552	30.4	12.6	3.2
Sep	28° / 21°	328	27.2	12.1	3.4
Oct	28° / 20°	126	19.2	11.6	4.8
Nov	27° / 17°	33	6.8	11.1	7.2
Dec	25° / 14°	25	4.4	10.9	8.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 4% of August, with mostly cloudy or overcast conditions the remaining 95%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	3	2	2	2	2	2	2	2	3	3	3	4	5	5	5	5	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7
Cloudier (%)	97	98	98	98	98	98	98	98	97	97	97	96	95	95	95	95	94	94	94	94	94	94	94	94	93	93	93	93	93	93	93

	Clearer (%)	Cloudier (%)
1	3	97
2	2	98
3	2	98
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	3	97
10	3	97
11	3	97
12	4	96
13	5	95
14	5	95
15	5	95
16	5	95
17	6	94
18	6	94
19	6	94
20	6	94
21	6	94
22	6	94
23	6	94
24	6	94
25	7	93
26	7	93
27	7	93
28	7	93
29	7	93
30	7	93
31	7	93

Chance of precipitation in August

Any precipitation

Vang Vieng gets around 552 mm of rain over 30.4 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 98% and peaks near 99% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	99	99	99	99	99	99	99	99	99	99	99	99	99	99	98	98	98	98	98	97	97	97	97	97	97	97	97	97	97	97	97

	Rain chance (%)
1	99
2	99
3	99
4	99
5	99
6	99
7	99
8	99
9	99
10	99
11	99
12	99
13	99
14	99
15	98
16	98
17	98
18	98
19	98
20	97
21	97
22	97
23	97
24	97
25	97
26	97
27	97
28	97
29	97
30	97
31	97

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	2	2	2	2	2	2	2	2	2	3	3	3	3	3	3	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3
Oppressive (%)	98	98	98	98	98	98	98	98	98	97	97	97	97	97	97	96	96	96	96	96	96	96	96	97	97	97	97	97	97	97	97

	Muggy (%)	Oppressive (%)
1	2	98
2	2	98
3	2	98
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	2	98
10	3	97
11	3	97
12	3	97
13	3	97
14	3	97
15	3	97
16	4	96
17	4	96
18	4	96
19	4	96
20	4	96
21	4	96
22	4	96
23	4	96
24	3	97
25	3	97
26	3	97
27	3	97
28	3	97
29	3	97
30	3	97
31	3	97

Wind in August

Winds average 3 km/h in August.

Across August, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	3	calm
2	3	calm
3	3	calm
4	3	calm
5	3	calm
6	3	calm
7	3	calm
8	3	calm
9	3	calm
10	3	calm
11	3	calm
12	3	calm
13	3	calm
14	3	calm
15	3	calm
16	3	calm
17	3	calm
18	3	calm
19	3	calm
20	3	calm
21	3	calm
22	3	calm
23	3	calm
24	3	calm
25	3	calm
26	3	calm
27	3	calm
28	3	calm
29	3	calm
30	3	calm
31	3	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:50 AM to 5:58 AM, and sunset from 6:42 PM to 6:22 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.9	12.9	12.8	12.8	12.8	12.8	12.8	12.8	12.8	12.7	12.7	12.7	12.7	12.7	12.7	12.6	12.6	12.6	12.6	12.6	12.6	12.5	12.5	12.5	12.5	12.5	12.5	12.4	12.4	12.4	12.4
Sunrise (AM)	5:50	5:51	5:51	5:51	5:52	5:52	5:52	5:53	5:53	5:53	5:53	5:54	5:54	5:54	5:55	5:55	5:55	5:55	5:56	5:56	5:56	5:56	5:57	5:57	5:57	5:57	5:58	5:58	5:58	5:58	5:58
Sunset (PM)	6:42	6:42	6:41	6:41	6:40	6:40	6:39	6:39	6:38	6:38	6:37	6:36	6:36	6:35	6:34	6:34	6:33	6:32	6:32	6:31	6:30	6:29	6:29	6:28	6:27	6:26	6:25	6:25	6:24	6:23	6:22

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.9	5:50	6:42
2	12.9	5:51	6:42
3	12.8	5:51	6:41
4	12.8	5:51	6:41
5	12.8	5:52	6:40
6	12.8	5:52	6:40
7	12.8	5:52	6:39
8	12.8	5:53	6:39
9	12.8	5:53	6:38
10	12.7	5:53	6:38
11	12.7	5:53	6:37
12	12.7	5:54	6:36
13	12.7	5:54	6:36
14	12.7	5:54	6:35
15	12.7	5:55	6:34
16	12.6	5:55	6:34
17	12.6	5:55	6:33
18	12.6	5:55	6:32
19	12.6	5:56	6:32
20	12.6	5:56	6:31
21	12.6	5:56	6:30
22	12.5	5:56	6:29
23	12.5	5:57	6:29
24	12.5	5:57	6:28
25	12.5	5:57	6:27
26	12.5	5:57	6:26
27	12.5	5:58	6:25
28	12.4	5:58	6:25
29	12.4	5:58	6:24
30	12.4	5:58	6:23
31	12.4	5:58	6:22

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 5.57 kWh/m² in April across the year — August's 3.68 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.6	3.7	3.7	3.7	3.7	3.7	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	3.6	Moderate
2	3.6	Moderate
3	3.6	Moderate
4	3.6	Moderate
5	3.6	Moderate
6	3.6	Moderate
7	3.6	Moderate
8	3.6	Moderate
9	3.6	Moderate
10	3.6	Moderate
11	3.6	Moderate
12	3.6	Moderate
13	3.6	Moderate
14	3.6	Moderate
15	3.7	Moderate
16	3.7	Moderate
17	3.7	Moderate
18	3.7	Moderate
19	3.7	Moderate
20	3.8	Moderate
21	3.8	Moderate
22	3.8	Moderate
23	3.8	Moderate
24	3.8	Moderate
25	3.8	Moderate
26	3.8	Moderate
27	3.8	Moderate
28	3.9	Moderate
29	3.9	Moderate
30	3.9	Moderate
31	3.9	Moderate

Planning a trip in August

Hazard calendar for Vang Vieng

In seasonPeak

In August, Vang Vieng sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Vang Vieng's monsoon runs May–September, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is August a good time to visit Vang Vieng?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2

Sightseeing

9th-best month of the year

3.5

Beach & pool

12th-best month of the year

August is a weaker month for outdoor sightseeing in Vang Vieng.

What to pack for Vang Vieng in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Vang Vieng sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

UV index in Vang Vieng in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vang Vieng peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	8	10	11	10	11	13	13	13	11	10	8	7
Level	Very high	Very high	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	High

	UV index (midday)	Level
Jan	8	Very high
Feb	10	Very high
Mar	11	Extreme
Apr	10	Very high
May	11	Extreme
Jun	13	Extreme
Jul	13	Extreme
Aug	13	Extreme
Sep	11	Extreme
Oct	10	Extreme
Nov	8	Very high
Dec	7	High

Air quality in Vang Vieng in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Vang Vieng is worst in April — around 182 µg/m³ PM2.5 (very unhealthy), about 17.8× the cleanest month (September, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	18	35	150	182	29	12	12	11	10	11	11	12
Level	Moderate	Moderate	Unhealthy	Very unhealthy	Moderate	Good	Good	Good	Good	Good	Good	Moderate

	PM2.5 (µg/m³)	Level
Jan	18	Moderate
Feb	35	Moderate
Mar	150	Unhealthy
Apr	182	Very unhealthy
May	29	Moderate
Jun	12	Good
Jul	12	Good
Aug	11	Good
Sep	10	Good
Oct	11	Good
Nov	11	Good
Dec	12	Moderate

Location & terrain

Where is Vang Vieng?

Vang Vieng sits at 18.9°N, 102.4°E, 243 m above sea level, in Laos. The nearest listed city is Muang Phônsavan, 98 km away.

Topography around Vang Vieng

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vang Vieng.

Within 3 km, the terrain around Vang Vieng has significant variations in elevation — a maximum elevation change of 415 m around an average of 276 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,653 m.

The land around Vang Vieng is covered by trees (64%) within 3 km, trees (89%) within 16 km, and trees (86%) within 80 km.

3 km

415 m

trees 64%

16 km

1,402 m

trees 89%

80 km

2,653 m

trees 86%

treesgrasslandcroplandartificial surfacesbare terrainwater

← July Vang Vieng year-round climate September →Best places to visit in August

August weather nearby: Muang Phônsavan 98 km · Vientiane 108 km · Luang Prabang 112 km · Tha Bo 120 km · Nong Khai 120 km · Phon Charoen 125 km · Nam Som 131 km · Borikhan 141 km

Laos travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / B / C / E / F; 230 V · 50 Hz
Prices: ≈ 23% of US; price level, 2025
GDP per capita: $2,325; 2025
Happiness: 5.5 / 10; World Happiness, 2025
Safe drinking water: 35%; of population, 2024
Road deaths: 17.9; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: Low; EF EPI 461
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Vang Vieng (18.9235°, 102.4478°, elevation 243 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	27	22
2	27	22
3	27	22
4	27	22
5	27	22
6	27	22
7	27	22
8	27	22
9	27	22
10	27	22
11	27	22
12	27	22
13	27	22
14	27	22
15	27	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	28	22
26	28	22
27	28	22
28	28	22
29	28	22
30	28	22
31	28	22

	Clearer (%)	Cloudier (%)
1	3	97
2	2	98
3	2	98
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	3	97
10	3	97
11	3	97
12	4	96
13	5	95
14	5	95
15	5	95
16	5	95
17	6	94
18	6	94
19	6	94
20	6	94
21	6	94
22	6	94
23	6	94
24	6	94
25	7	93
26	7	93
27	7	93
28	7	93
29	7	93
30	7	93
31	7	93

	Rain chance (%)
1	99
2	99
3	99
4	99
5	99
6	99
7	99
8	99
9	99
10	99
11	99
12	99
13	99
14	99
15	98
16	98
17	98
18	98
19	98
20	97
21	97
22	97
23	97
24	97
25	97
26	97
27	97
28	97
29	97
30	97
31	97

	Muggy (%)	Oppressive (%)
1	2	98
2	2	98
3	2	98
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	2	98
10	3	97
11	3	97
12	3	97
13	3	97
14	3	97
15	3	97
16	4	96
17	4	96
18	4	96
19	4	96
20	4	96
21	4	96
22	4	96
23	4	96
24	3	97
25	3	97
26	3	97
27	3	97
28	3	97
29	3	97
30	3	97
31	3	97

	Avg high (°C)	Avg low (°C)
1	27	22
2	27	22
3	27	22
4	27	22
5	27	22
6	27	22
7	27	22
8	27	22
9	27	22
10	27	22
11	27	22
12	27	22
13	27	22
14	27	22
15	27	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	28	22
26	28	22
27	28	22
28	28	22
29	28	22
30	28	22
31	28	22

	Clearer (%)	Cloudier (%)
1	3	97
2	2	98
3	2	98
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	3	97
10	3	97
11	3	97
12	4	96
13	5	95
14	5	95
15	5	95
16	5	95
17	6	94
18	6	94
19	6	94
20	6	94
21	6	94
22	6	94
23	6	94
24	6	94
25	7	93
26	7	93
27	7	93
28	7	93
29	7	93
30	7	93
31	7	93

	Rain chance (%)
1	99
2	99
3	99
4	99
5	99
6	99
7	99
8	99
9	99
10	99
11	99
12	99
13	99
14	99
15	98
16	98
17	98
18	98
19	98
20	97
21	97
22	97
23	97
24	97
25	97
26	97
27	97
28	97
29	97
30	97
31	97

	Muggy (%)	Oppressive (%)
1	2	98
2	2	98
3	2	98
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	2	98
10	3	97
11	3	97
12	3	97
13	3	97
14	3	97
15	3	97
16	4	96
17	4	96
18	4	96
19	4	96
20	4	96
21	4	96
22	4	96
23	4	96
24	3	97
25	3	97
26	3	97
27	3	97
28	3	97
29	3	97
30	3	97
31	3	97

	Avg high (°C)	Avg low (°C)
1	27	22
2	27	22
3	27	22
4	27	22
5	27	22
6	27	22
7	27	22
8	27	22
9	27	22
10	27	22
11	27	22
12	27	22
13	27	22
14	27	22
15	27	22
16	28	22
17	28	22
18	28	22
19	28	22
20	28	22
21	28	22
22	28	22
23	28	22
24	28	22
25	28	22
26	28	22
27	28	22
28	28	22
29	28	22
30	28	22
31	28	22

	Clearer (%)	Cloudier (%)
1	3	97
2	2	98
3	2	98
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	3	97
10	3	97
11	3	97
12	4	96
13	5	95
14	5	95
15	5	95
16	5	95
17	6	94
18	6	94
19	6	94
20	6	94
21	6	94
22	6	94
23	6	94
24	6	94
25	7	93
26	7	93
27	7	93
28	7	93
29	7	93
30	7	93
31	7	93

	Rain chance (%)
1	99
2	99
3	99
4	99
5	99
6	99
7	99
8	99
9	99
10	99
11	99
12	99
13	99
14	99
15	98
16	98
17	98
18	98
19	98
20	97
21	97
22	97
23	97
24	97
25	97
26	97
27	97
28	97
29	97
30	97
31	97

	Muggy (%)	Oppressive (%)
1	2	98
2	2	98
3	2	98
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	2	98
10	3	97
11	3	97
12	3	97
13	3	97
14	3	97
15	3	97
16	4	96
17	4	96
18	4	96
19	4	96
20	4	96
21	4	96
22	4	96
23	4	96
24	3	97
25	3	97
26	3	97
27	3	97
28	3	97
29	3	97
30	3	97
31	3	97